Thread: Please help me understand this....

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Hey you guys. So I put in new plugs and the same things are happening as above. But in looking around the net for why this could be happening I see that a leaking intake manifold or an unplugged vacuum hose/fitting seems to have all symptoms I am experiencing.
-hesitation when acceleration
-misfiring
-rough idle
-overheating
So I will do what Denny suggested and spray some starter fluid/cleaner around looking for rpm changes. Yes I have a working fire extinguisher just in case and yes it is in the garage!!!!! :-)) BTW a pic of the beast "we" are working on is hopefully attached.